Reporting in the journal Science, researchers write of a way to create nanoscale yarns that function as superconductors, batteries or solar cells. Study author Ray Baughman discusses how to twist up these functional yarns, and how they could revolutionize future fabrics.Â» E-Mail ThisÂ Â Â Â Â» Add to Del.icio.us

Ira Flatow talks with scientists and philosophers about the origins of human values, and the influence of modern scientific thought on human values. Even if science can shape human morals, should it? Or does science bring its own set of preconceptions and prejudices to moral questions?Â» E-Mail ThisÂ Â Â Â Â» Add to Del.icio.us